Research Associate I/II, Bioprocess Development
Flagship Pioneering
September 11, 2026
Full-time
Remote friendly (Somerville, MA)
Worldwide
Operations
Role: Research Associate I/II supporting microbial fermentation process development for recombinant protein production in a biopharma startup environment. Responsibilities: operate and troubleshoot bench-scale bioreactors, prepare media and feeds, perform analytical assays, and collaborate with strain engineering, downstream, and analytical teams to scale processes. Requirements: hands-on experience in microbial fermentation, microbiology, or bioprocess labs; proficiency with aseptic techniques and bioreactor operation; strong organizational skills; ability to independently execute experiments. Preferred: experience with fed-batch fermentation, fermentation metabolite analysis via HPLC, recombinant protein expression, and process scale-up. High-Value: microbial fermentation, recombinant protein production, lab-scale bioprocess development, support for scale-up activities. Location: Cambridge, MA; work setup not specified.